<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .a {
            width: 100px;
            height: 100px;
            background-color: #000;
            /* 贝塞尔曲线 */
            /* ease  linear */
            animation: a 1s forwards cubic-bezier(.88, -0.06, 1, -0.49);
        }

        @keyframes a {
            from {
                transform: translate(100px);
            }

            to {
                transform: translate(1000px);
            }
        }
    </style>
</head>

<body>

    <div class="a"></div>

</body>

</html>